package com.ruoyi.framework.web.service;

import com.ruoyi.common.core.domain.model.Cate_simple;
import com.ruoyi.system.domain.Cate;
import com.ruoyi.system.mapper.CateMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.enums.UserStatus;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.service.ISysUserService;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysPermissionService permissionService;

    @Resource
    private CateMapper cateMapper;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        SysUser user = userService.selectUserByUserName(username);
        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", username);
            throw new ServiceException(MessageUtils.message("user.not.exists"));
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户：{} 已被删除.", username);
            throw new ServiceException(MessageUtils.message("user.password.delete"));
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", username);
            throw new ServiceException(MessageUtils.message("user.blocked"));
        }

        passwordService.validate(user);

        if (user.getDept().getType() != null && user.getDept().getType() == 0) {
            if (user.getDept().getCate() != null && !"".equals(user.getDept().getCate())) {
                StringBuilder cateStr = new StringBuilder();
                List<Cate> cateS = cateMapper.selectCateByIds(user.getDept().getCate().split(","));
                List<Cate_simple> s = new ArrayList<>(10);
                cateS.forEach(item -> {
                    cateStr.append(item.getName()).append(",");
                    s.add(new Cate_simple(item.getId(), item.getName()));
                });
                if (cateStr.length() > 0) {
                    user.getDept().setCateStr(cateStr.substring(0, cateStr.lastIndexOf(",")));
                }
                user.getDept().setCateList(s);
            }
        }

        return createLoginUser(user);
    }

    public UserDetails createLoginUser(SysUser user) {
        return new LoginUser(user.getUserId(), user.getDeptId(), user, permissionService.getMenuPermission(user));
    }
}
